A Viewpoint in support of SDGs 3, 13, and 17, proposing a range of strategies for developing a 'public health playbook', to counter the 'corporate playbook' used by powerful commercial actors to protect their business interests at the expense of population health and wellbeing, including numerous health-harming and planet-harming industries, such as tobacco, alcohol, gambling, pharmaceuticals, ultraprocessed foods and beverages, firearms and weapons, automobiles, social media and technology, oil and gas, and chemicals.